New Replacement A1990 Trackpad Touchpad for MacBook Pro Retina 15" A1990 2018 2019 (Space Gray) We have good after-sales services. We share the latest information of laptop spare parts in Chinese market with all our customers This is NOT an easy job for someone who has no technical skills with Disassembling or Assembling laptop, So only purchase this item if you know how to install it. Each Trackpad is tested before shipping and working .